Chip maker ARM was the biggest faller after figures from US peers Microchip Technology and Novellus came short of expectations. BSkyB was continuing its decline, a day after Rupert Murdoch withdrew his offer to spin-off Sky News in order to make his bid for the satellite broadcaster feasible. As such, BSkyB said the takeover panel had notified the company that it was no longer in a formal offer period as the News Corp bid has been referred to the Competition Commission for further review. Plumber's merchant Wolseley was firmly in the red after agreeing to sell its electric centre business unit to electrical products distributor Edmundson Electrical for an undisclosed amount and said the transaction is expected to generate a small gain. Luxury brand Burberry and high street retailer Marks & Spencer were among the high risers ahead of their first quarter reports due on Wednesday. Burberry is to release an interim management statement, while M&S is due to reveal its quarterly results.Retailing peers Next and Kingfisher were also in demand as the British Retail Consortium's (BRC) Retail Sales Monitor for June came in ahead of estimates. Both Cairn Energy and Vedanta Resources fell into the red as the companies announced that the latter's takeover of Cairn India has progressed. Mining giant Vedanta has completed the first tranche of its purchase of Cairn Energy's Indian subsidiary, after acquiring an additional 10% stake for net proceeds of $1.36bn in cash, raising its stake to 28.5%.BCFTSE 100 - RisersBurberry Group (BRBY) 1,433.00p +1.34%Next (NXT) 2,411.00p +0.96%Marks & Spencer Group (MKS) 372.20p +0.95%Essar Energy (ESSR) 379.40p +0.82%GlaxoSmithKline (GSK) 1,365.50p +0.59%Royal Bank of Scotland Group (RBS) 35.92p +0.56%Hammerson (HMSO) 459.40p +0.55%Glencore International (GLEN) 493.20p +0.55%British Land Co (BLND) 589.50p +0.34%Kingfisher (KGF) 258.20p +0.27%FTSE 100 - FallersARM Holdings (ARM) 598.00p -4.70%Wolseley (WOS) 1,910.00p -3.24%Severn Trent (SVT) 1,440.00p -2.96%ITV (ITV) 67.80p -2.66%Lonmin (LMI) 1,355.00p -2.45%United Utilities Group (UU.) 585.50p -2.42%Barclays (BARC) 228.60p -2.29%International Consolidated Airlines Group SA (IAG) 231.80p -2.28%British Sky Broadcasting Group (BSY) 701.50p -1.96%International Power (IPR) 303.20p -1.91%